25150965

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1842

約数の個数: 48

約数和(自身を含む): 49302720

約数和(自身を除く): 24151755

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1801, 1995, 2793, 4655, 5403, 9005, 12607, 13965, 27015, 34219, 37821, 63035, 88249, 102657, 171095, 189105, 239533, 264747, 441245, 513285, 718599, 1197665, 1323735, 1676731, 3592995, 5030193, 8383655, 25150965]

約数ペア:

[(1, 25150965), (3, 8383655), (5, 5030193), (7, 3592995), (15, 1676731), (19, 1323735), (21, 1197665), (35, 718599), (49, 513285), (57, 441245), (95, 264747), (105, 239533), (133, 189105), (147, 171095), (245, 102657), (285, 88249), (399, 63035), (665, 37821), (735, 34219), (931, 27015), (1801, 13965), (1995, 12607), (2793, 9005), (4655, 5403)]